ZenBook UX430 TLP Frequency Scaling Bug?

Questions about applications and software
Forum rules
Before you post please read how to get help
Post Reply
visseroth
Level 1
Level 1
Posts: 28
Joined: Sun Feb 02, 2014 5:09 am

ZenBook UX430 TLP Frequency Scaling Bug?

Post by visseroth » Mon Mar 19, 2018 12:50 am

Just curious if anyone else has had any issues with TLP on the ZenBooks not scaling the CPU correctly. Seems the min frequency keeps getting stuck at the max frequency there by causing the CPUs cores (or at least some of them) to not scale correctly in accordance to their ability.
To band-aid the problem I restart the tlp service which makes them start scaling correctly according to the setting set by the user in TLP.
In my case I set TLP to scale the cpu on AC in ondemand as there's no need to make the machine hot if it's not doing much but if it's doing something I want it to snap to. While on battery I have it set to conservative to try and save as much power as possible, but if a core has been requested to do a lot of work then get it done!
Problem being if you unplug or plug in and TLP responds to the change, scaling's min frequency on some random number of cores gets set to max. Restart tlp and cores are then set correctly.

Anyone have any thoughts as to why this is? Is it a bug, am I doing something wrong? Is there a way to force TLP to restart when the AC is pluggedd in or unplugged?

TLP configuration file....

Code: Select all

# ------------------------------------------------------------------------------
# tlp - Parameters for power saving
# See full explanation: http://linrunner.de/en/tlp/docs/tlp-configuration.html

# Hint: some features are disabled by default, remove the leading # to enable
# them.

# Set to 0 to disable, 1 to enable TLP.
TLP_ENABLE=1

# Operation mode when no power supply can be detected: AC, BAT.
# Concerns some desktop and embedded hardware only.
TLP_DEFAULT_MODE=AC

# Operation mode select: 0=depend on power source, 1=always use TLP_DEFAULT_MODE
# Hint: use in conjunction with TLP_DEFAULT_MODE=BAT for BAT settings on AC.
TLP_PERSISTENT_DEFAULT=0

# Seconds laptop mode has to wait after the disk goes idle before doing a sync.
# Non-zero value enables, zero disables laptop mode.
DISK_IDLE_SECS_ON_AC=0
DISK_IDLE_SECS_ON_BAT=0

# Dirty page values (timeouts in secs).
MAX_LOST_WORK_SECS_ON_AC=15
MAX_LOST_WORK_SECS_ON_BAT=15

# Hint: CPU parameters below are disabled by default, remove the leading #
# to enable them, otherwise kernel default values are used.

# Select a CPU frequency scaling governor.
# Intel Core i processor with intel_pstate driver:
#   powersave(*), performance.
# Older hardware with acpi-cpufreq driver:
#   ondemand(*), powersave, performance, conservative, schedutil.
# (*) is recommended.
# Hint: use tlp-stat -p to show the active driver and available governors.
# Important:
#   powersave for intel_pstate and ondemand for acpi-cpufreq are power
#   efficient for *almost all* workloads and therefore kernel and most
#   distributions have chosen them as defaults. If you still want to change,
#   you should know what you're doing! You *must* disable your distribution's
#   governor settings or conflicts will occur.
CPU_SCALING_GOVERNOR_ON_AC=ondemand
CPU_SCALING_GOVERNOR_ON_BAT=conservative

# Set the min/max frequency available for the scaling governor.
# Possible values strongly depend on your CPU. For available frequencies see
# the output of tlp-stat -p.
CPU_SCALING_MIN_FREQ_ON_AC=400000
CPU_SCALING_MAX_FREQ_ON_AC=2001000
CPU_SCALING_MIN_FREQ_ON_BAT=400000
CPU_SCALING_MAX_FREQ_ON_BAT=2001000

# Set energy performance hints (HWP) for Intel P-state governor:
#   performance, balance_performance, default, balance_power, power
# Values are given in order of increasing power saving.
# Note: Intel Skylake or newer CPU and Kernel >= 4.10 required.
CPU_HWP_ON_AC=balance_performance
CPU_HWP_ON_BAT=balance_power

# Set Intel P-state performance: 0..100 (%).
# Limit the max/min P-state to control the power dissipation of the CPU.
# Values are stated as a percentage of the available performance.
# Requires an Intel Core i processor with intel_pstate driver.
#CPU_MIN_PERF_ON_AC=0
#CPU_MAX_PERF_ON_AC=100
#CPU_MIN_PERF_ON_BAT=0
#CPU_MAX_PERF_ON_BAT=90

# Set the CPU "turbo boost" feature: 0=disable, 1=allow
# Requires an Intel Core i processor.
# Important:
# - This may conflict with your distribution's governor settings
# - A value of 1 does *not* activate boosting, it just allows it
CPU_BOOST_ON_AC=1
CPU_BOOST_ON_BAT=1

# Minimize number of used CPU cores/hyper-threads under light load conditions:
#   0=disable, 1=enable.
SCHED_POWERSAVE_ON_AC=0
SCHED_POWERSAVE_ON_BAT=1

# Kernel NMI Watchdog:
#   0=disable (default, saves power), 1=enable (for kernel debugging only).
NMI_WATCHDOG=0

# Change CPU voltages aka "undervolting" - Kernel with PHC patch required.
# Frequency voltage pairs are written to:
#   /sys/devices/system/cpu/cpu0/cpufreq/phc_controls
# CAUTION: only use this, if you thoroughly understand what you are doing!
#PHC_CONTROLS="F:V F:V F:V F:V"

# Set CPU performance versus energy savings policy:
#   performance, balance-performance, default, balance-power, power.
# Values are given in order of increasing power saving.
# Requires kernel module msr and x86_energy_perf_policy from linux-tools.
ENERGY_PERF_POLICY_ON_AC=balance-performance
ENERGY_PERF_POLICY_ON_BAT=balance-power

# Disk devices; separate multiple devices with spaces (default: sda).
# Devices can be specified by disk ID also (lookup with: tlp diskid).
DISK_DEVICES="sda"

# Disk advanced power management level: 1..254, 255 (max saving, min, off).
# Levels 1..127 may spin down the disk; 255 allowable on most drives.
# Separate values for multiple disks with spaces. Use the special value 'keep'
# to keep the hardware default for the particular disk.
DISK_APM_LEVEL_ON_AC="255"
DISK_APM_LEVEL_ON_BAT="255"

# Hard disk spin down timeout:
#   0:        spin down disabled
#   1..240:   timeouts from 5s to 20min (in units of 5s)
#   241..251: timeouts from 30min to 5.5 hours (in units of 30min)
# See 'man hdparm' for details.
# Separate values for multiple disks with spaces. Use the special value 'keep'
# to keep the hardware default for the particular disk.
DISK_SPINDOWN_TIMEOUT_ON_AC="0"
DISK_SPINDOWN_TIMEOUT_ON_BAT="0"

# Select IO scheduler for the disk devices: cfq, deadline, noop (Default: cfq).
# Separate values for multiple disks with spaces. Use the special value 'keep'
# to keep the kernel default scheduler for the particular disk.
#DISK_IOSCHED="cfq cfq"

# AHCI link power management (ALPM) for disk devices:
#   min_power, med_power_with_dipm(*), medium_power, max_performance.
# (*) Kernel >= 4.15 required, then recommended.
# Multiple values separated with spaces are tried sequentially until success.
SATA_LINKPWR_ON_AC="med_power_with_dipm max_performance"
SATA_LINKPWR_ON_BAT="med_power_with_dipm min_power"

# Exclude host devices from AHCI link power management.
# Separate multiple hosts with spaces.
#SATA_LINKPWR_BLACKLIST="host1"

# Runtime Power Management for AHCI host and disks devices:
#   on=disable, auto=enable.
# EXPERIMENTAL ** WARNING: auto will most likely cause system lockups/data loss.
AHCI_RUNTIME_PM_ON_AC=off
AHCI_RUNTIME_PM_ON_BAT=on

# Seconds of inactivity before disk is suspended.
AHCI_RUNTIME_PM_TIMEOUT=0

# PCI Express Active State Power Management (PCIe ASPM):
#   default, performance, powersave.
PCIE_ASPM_ON_AC=performance
PCIE_ASPM_ON_BAT=powersave

# Radeon graphics clock speed (profile method): low, mid, high, auto, default;
# auto = mid on BAT, high on AC; default = use hardware defaults.
#RADEON_POWER_PROFILE_ON_AC=high
#RADEON_POWER_PROFILE_ON_BAT=low

# Radeon dynamic power management method (DPM): battery, performance.
#RADEON_DPM_STATE_ON_AC=performance
#RADEON_DPM_STATE_ON_BAT=battery

# Radeon DPM performance level: auto, low, high; auto is recommended.
#RADEON_DPM_PERF_LEVEL_ON_AC=auto
#RADEON_DPM_PERF_LEVEL_ON_BAT=auto

# WiFi power saving mode: on=enable, off=disable; not supported by all adapters.
WIFI_PWR_ON_AC=on
WIFI_PWR_ON_BAT=on

# Disable wake on LAN: Y/N.
WOL_DISABLE=Y

# Enable audio power saving for Intel HDA, AC97 devices (timeout in secs).
# A value of 0 disables, >=1 enables power saving (recommended: 1).
SOUND_POWER_SAVE_ON_AC=0
SOUND_POWER_SAVE_ON_BAT=1

# Disable controller too (HDA only): Y/N.
SOUND_POWER_SAVE_CONTROLLER=Y

# Power off optical drive in UltraBay/MediaBay: 0=disable, 1=enable.
# Drive can be powered on again by releasing (and reinserting) the eject lever
# or by pressing the disc eject button on newer models.
# Note: an UltraBay/MediaBay hard disk is never powered off.
BAY_POWEROFF_ON_AC=0
BAY_POWEROFF_ON_BAT=0
# Optical drive device to power off (default sr0).
BAY_DEVICE="sr0"

# Runtime Power Management for PCI(e) bus devices: on=disable, auto=enable.
RUNTIME_PM_ON_AC=on
RUNTIME_PM_ON_BAT=auto

# Exclude PCI(e) device adresses the following list from Runtime PM
# (separate with spaces). Use lspci to get the adresses (1st column).
#RUNTIME_PM_BLACKLIST="bb:dd.f 11:22.3 44:55.6"

# Exclude PCI(e) devices assigned to the listed drivers from Runtime PM.
# Default when unconfigured is "amdgpu nouveau nvidia radeon" which
# prevents accidential power-on of dGPU in hybrid graphics setups.
# Use "" to disable the feature completely.
# Separate multiple drivers with spaces.
#RUNTIME_PM_DRIVER_BLACKLIST="amdgpu nouveau nvidia radeon"

# Set to 0 to disable, 1 to enable USB autosuspend feature.
USB_AUTOSUSPEND=1

# Exclude listed devices from USB autosuspend (separate with spaces).
# Use lsusb to get the ids.
# Note: input devices (usbhid) are excluded automatically
#USB_BLACKLIST="1111:2222 3333:4444"

# Bluetooth devices are excluded from USB autosuspend:
#   0=do not exclude, 1=exclude.
USB_BLACKLIST_BTUSB=0

# Phone devices are excluded from USB autosuspend:
#   0=do not exclude, 1=exclude (enable charging).
USB_BLACKLIST_PHONE=1

# Printers are excluded from USB autosuspend:
#   0=do not exclude, 1=exclude.
USB_BLACKLIST_PRINTER=1

# WWAN devices are excluded from USB autosuspend:
#   0=do not exclude, 1=exclude.
USB_BLACKLIST_WWAN=1

# Include listed devices into USB autosuspend even if already excluded
# by the blacklists above (separate with spaces).
# Use lsusb to get the ids.
#USB_WHITELIST="1111:2222 3333:4444"

# Set to 1 to disable autosuspend before shutdown, 0 to do nothing
# (workaround for USB devices that cause shutdown problems).
#USB_AUTOSUSPEND_DISABLE_ON_SHUTDOWN=1

# Restore radio device state (Bluetooth, WiFi, WWAN) from previous shutdown
# on system startup: 0=disable, 1=enable.
# Hint: the parameters DEVICES_TO_DISABLE/ENABLE_ON_STARTUP/SHUTDOWN below
#   are ignored when this is enabled!
RESTORE_DEVICE_STATE_ON_STARTUP=1

# Radio devices to disable on startup: bluetooth, wifi, wwan.
# Separate multiple devices with spaces.
DEVICES_TO_DISABLE_ON_STARTUP="bluetooth wwan"

# Radio devices to enable on startup: bluetooth, wifi, wwan.
# Separate multiple devices with spaces.
#DEVICES_TO_ENABLE_ON_STARTUP="wifi"

# Radio devices to disable on shutdown: bluetooth, wifi, wwan.
# (workaround for devices that are blocking shutdown).
#DEVICES_TO_DISABLE_ON_SHUTDOWN="bluetooth wifi wwan"

# Radio devices to enable on shutdown: bluetooth, wifi, wwan.
# (to prevent other operating systems from missing radios).
#DEVICES_TO_ENABLE_ON_SHUTDOWN="wwan"

# Radio devices to enable on AC: bluetooth, wifi, wwan.
#DEVICES_TO_ENABLE_ON_AC="bluetooth wifi wwan"

# Radio devices to disable on battery: bluetooth, wifi, wwan.
DEVICES_TO_DISABLE_ON_BAT="bluetooth wwan"

# Radio devices to disable on battery when not in use (not connected):
#   bluetooth, wifi, wwan.
#DEVICES_TO_DISABLE_ON_BAT_NOT_IN_USE="bluetooth wifi wwan"

# Battery charge thresholds (ThinkPad only, tp-smapi or acpi-call kernel module
# required). Charging starts when the remaining capacity falls below the
# START_CHARGE_THRESH value and stops when exceeding the STOP_CHARGE_THRESH value.
# Main / Internal battery (values in %)
#START_CHARGE_THRESH_BAT0=75
#STOP_CHARGE_THRESH_BAT0=80
# Ultrabay / Slice / Replaceable battery (values in %)
#START_CHARGE_THRESH_BAT1=75
#STOP_CHARGE_THRESH_BAT1=80

# Restore charge thresholds when AC is unplugged: 0=disable, 1=enable.
#RESTORE_THRESHOLDS_ON_BAT=1

# ------------------------------------------------------------------------------
# tlp-rdw - Parameters for the radio device wizard
# Possible devices: bluetooth, wifi, wwan.

# Hints:
# - Parameters are disabled by default, remove the leading # to enable them
# - Separate multiple radio devices with spaces

# Radio devices to disable on connect.
#DEVICES_TO_DISABLE_ON_LAN_CONNECT="wifi wwan"
#DEVICES_TO_DISABLE_ON_WIFI_CONNECT="wwan"
#DEVICES_TO_DISABLE_ON_WWAN_CONNECT="wifi"

# Radio devices to enable on disconnect.
#DEVICES_TO_ENABLE_ON_LAN_DISCONNECT="wifi wwan"
#DEVICES_TO_ENABLE_ON_WIFI_DISCONNECT=""
#DEVICES_TO_ENABLE_ON_WWAN_DISCONNECT=""

# Radio devices to enable/disable when docked.
#DEVICES_TO_ENABLE_ON_DOCK=""
#DEVICES_TO_DISABLE_ON_DOCK=""

# Radio devices to enable/disable when undocked.
#DEVICES_TO_ENABLE_ON_UNDOCK="wifi"
#DEVICES_TO_DISABLE_ON_UNDOCK=""
Last edited by visseroth on Tue Mar 20, 2018 9:53 am, edited 1 time in total.

visseroth
Level 1
Level 1
Posts: 28
Joined: Sun Feb 02, 2014 5:09 am

Re: ZenBook UX430 TLP Frequency Scaling Bug?

Post by visseroth » Tue Mar 20, 2018 9:50 am

No one?
Anyone have any idea where to get answers?

visseroth
Level 1
Level 1
Posts: 28
Joined: Sun Feb 02, 2014 5:09 am

Re: ZenBook UX430 TLP Frequency Scaling Bug?

Post by visseroth » Tue Mar 20, 2018 10:16 am

oh, I guess I should add that I tried cpufrequtils and the stock laptop-mode-tools and they were even worse. Not scaling the frequencies at all, locking at 2Ghz. I had to modify the scaling_min_freq to get it to drop down. TLP at least scales some of the cores, but not always. Sometimes it requires restarting the TLP service then the min gets set.

User avatar
royg
Level 1
Level 1
Posts: 17
Joined: Sun Jan 15, 2017 4:11 am
Location: Australia

Re: ZenBook UX430 TLP Frequency Scaling Bug?

Post by royg » Tue Apr 24, 2018 4:01 am

This issue effects me as well. I'm using an ASUS UX430U, and scaling seems to not be working, with all CPUs stuck at 2000 regardless of whether machine is on mains or battery, and regardless of workload imposed on the computer. Result on battery is poor battery life. Result when powered from mains and running a CPU intensive application (e.g. X-Plane 11) the CPU refquency remains at 2000, and the performance of the application being run is severely impacted.

Post Reply

Return to “Software & Applications”